1临床资料患者,男46岁,因晕厥、心悸1周于2010年11月9日入院。患者1周前吹气球时突然出现黑曚、晕厥,伴面色苍白,旁观者给予掐人中等处理,约1min后缓解,醒后自觉心悸、乏力。既往身体健康,否认家族类似发作病史。查体:血压120/80mmHg(1mmHg=0.133kPa),五官端正,口唇无紫绀,颈静脉无怒张,双肺呼吸音清,心界稍扩大,心率64次/min,律齐,杂音(-)。双下肢无水肿。辅助检查:心电图(见图1):窦性心律,左前分支传递阻滞。心脏超声心动图检查(见图2):左室心尖部肌小梁明显凸出,呈“网格状”改变,该 1 clinical data of patients, male, 46 years old, due to syncope, palpitations 1 week in 2010 November 9 admission. Bald a patient suddenly appeared a week ago when the black flesh, fainting, accompanied by pale, bystanders were given pinch medium treatment, about 1min after remission, wake up conscious palpitations, fatigue. Past health, denied a family history of seizures. Physical examination: blood pressure 120 / 80mmHg (1mmHg = 0.133kPa), correct facial features, lips without cyanosis, no jugular vein engorgement, lung breath sounds clear, heart slightly expanded, heart rate 64 beats / min, ). No lower extremity edema. Auxiliary examination: ECG (see Figure 1): sinus rhythm, left anterior branch block. Cardiac echocardiography (see Figure 2): The trabeculae of the apex of the left ventricle protrude conspicuously in a “grid” shape that changes